Defect Catalog Extract
Alternative term: Massive rupture
Appearance: Discontinuities of material between top- and bottom-surface.
Alternative terms: Swarf, Chip, Splinter
Appearance: Single bright or dark pattern, sometimes with peeled-off material. Can occur in varying sizes and shapes.
Alternative terms: Roke, Seam, Sliver, Lamination, Blister, Scab
Appearance: Irregular, flaky; sometimes overlapping material, which can contain non-metallic inclusions and have a bright and/or dark appearance.
Alternative terms: Pinch, Pinch Mark
Appearance: Single markings of linear form. Material fold, not parallel to strip direction.
Alternative terms: Edge Crack,
Appearance: Discontinuations of material from surface to surface at strip edges.
Alternative term: Grind
Appearance: May occur as a single stripe or a ground of stripes over a large area. Bright or dark appearance.
Alternative term: Scale pit
Appearance: Dark, sometimes with
bright surroundings. Single spots or
Alternative term: Over-pickling
Appearance: Over-pickling: cloudy patterns over large areas. Pickle residue: large areas of dark and bright spots with high contrast to the surface.
Alternative term: Cross breaks
Appearance: Areas of small lines transverse to rolling direction. Often with low contrast to surface. White or black lines, if scale is present.